Home / 961,132.76-1,442,292.06-488,157.56

Finding the Fourth Proportional to 961,132.76, 1,442,292.06 and 488,157.56

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Solution

The fourth proportional to 961,132.76, 1,442,292.06 and 488,157.56 is: 732,537.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,132.76 : 1,442,292.06 = 488,157.56 : x
  2. Step 2: Convert to fraction form
    961,132.76/1,442,292.06 = 488,157.56/x
  3. Step 3: Cross multiply
    961,132.76x = 1,442,292.06 × 488,157.56
  4. Step 4: Simplify right side
    961,132.76x = 704,065,772,816.97
  5. Step 5: Solve for x
    x = 704,065,772,816.97/961,132.76
  6. Step 6: Final answer
    x = 732,537.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.